Vacuum cleaner



FIG. 1 is a perspective view showing the side, top, and front of a vacuum cleaner embodying my design;

FIG. 2 is a side elevational view thereof; the opposite side of the vacuum cleaner is a mirror image of the view shown in FIG. 2;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a top plan view thereof. 

The ornamental design for vacuum cleaner, as shown and described. 